/Engine/Plugins/Online/OnlineServices/Source/OnlineServicesInterface/Public/Online/Lobbies.h
Get the event that is triggered when a lobby member leaves a joined lobby.
Event that can be bound to
[TOnlineEvent](API\Plugins\OnlineServicesInterface\Online\TOnlineEvent)< void(const [FLobbyMemberLeft](API\Plugins\OnlineServicesInterface\Online\FLobbyMemberLeft) &)> OnLobbyMemberLeft()